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Philadelphia, PA Local Forecast Office

31NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 57 °F
E 15kt
< 1ft
Tonight
Low: 54 °F
E 20kt⇓
< 1ft
Sunday
High: 72 °F
E 10kt
< 1ft
Sunday Night
Low: 61 °F
Light Wind
1ft
Memorial Day
High: 75 °F
Light Wind
< 1ft
Monday Night
Low: 62 °F
Light Wind
< 1ft
Tuesday
High: 75 °F
Light Wind
< 1ft
Tuesday Night
Low: 62 °F
Light Wind
< 1ft
Wednesday
High: 80 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:07 pm EDT May 23, 2026
Forecast Valid: 5pm EDT May 23, 2026-6pm EDT May 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY...

Late Afternoon

E wind around 15 kt, with gusts as high as 25 kt. Rain. Waves 1 ft or less.

Tonight

E wind 17 to 20 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 25 kt. Rain, with thunderstorms also possible after 5am. Waves 1 ft or less.

Sunday

E wind 5 to 10 kt. Rain and possibly a thunderstorm before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Waves around 1 ft.

Memorial Day

Variable winds 5 kt or less. Showers likely, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. A chance of showers before 2pm. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.